Home / 215,910,520.92-323,350,943.04-137,942,148.36

Finding the Fourth Proportional to 215,910,520.92, 323,350,943.04 and 137,942,148.36

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Solution

The fourth proportional to 215,910,520.92, 323,350,943.04 and 137,942,148.36 is: 206,584,299.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,910,520.92 : 323,350,943.04 = 137,942,148.36 : x
  2. Step 2: Convert to fraction form
    215,910,520.92/323,350,943.04 = 137,942,148.36/x
  3. Step 3: Cross multiply
    215,910,520.92x = 323,350,943.04 × 137,942,148.36
  4. Step 4: Simplify right side
    215,910,520.92x = 44,603,723,757,169,600
  5. Step 5: Solve for x
    x = 44,603,723,757,169,600/215,910,520.92
  6. Step 6: Final answer
    x = 206,584,299.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.